diff --git a/bash/options b/bash/options
index a675b4d..ba7d186 100755
--- a/bash/options
+++ b/bash/options
@@ -3,10 +3,7 @@ export HISTFILE="${HOME}/.bash/.history"
 
 export HISTSIZE=1000
 
-# don't put duplicate lines in the history. See bash(1) for more options
-# don't overwrite GNU Midnight Commander's setting of `ignorespace'.
-export HISTCONTROL=$HISTCONTROL${HISTCONTROL+,}ignoredups
-# ... or force ignoredups and ignorespace
+# ignore both duplicates and whitespace in history
 export HISTCONTROL=ignoreboth
 
 # append to the history file, don't overwrite it
diff --git a/caffeinate b/caffeinate
index 825512f..eda96d0 100755
--- a/caffeinate
+++ b/caffeinate
@@ -4,6 +4,10 @@
 
 use strict;
 use warnings;
+use LWP::Debug ();
+
+# LWP::Authen::Negotiate is the Perl module that makes kerberos authenitcation
+# magically work
 
 my $URL    = 'https://www-s.acm.uiuc.edu/caffeine';
 
diff --git a/install.pl b/install.pl
index 008b016..e6f95a6 100755
--- a/install.pl
+++ b/install.pl
@@ -96,10 +96,10 @@ for my $file (keys %links) {
 	}
 
 	# Remove the destination if it exists and we were told to force an overwrite
-	if($force && -f $dest) {
-		unlink($dest) || warn "Couldn't unlink '$dest': $!\n";
-	} elsif($force && -d $dest) {
+	if($force && -d $dest) {
 		rmtree($dest) || warn "Couldn't rmtree '$dest': $!\n";
+	} elsif($force) {
+		unlink($dest) || warn "Couldn't unlink '$dest': $!\n";
 	}
 
 	symlink($src => $dest) ? $i++ : warn "Couldn't link '$src' to '$dest': $!\n";